Ghislaine Maxwell and Jeffrey Epstein are seen in this image released by the Department of Justice in Washington, D.C., U.S., on December 19, 2025 as part of a new trove of documents from its ...

Dec. 21, 2025 Superconductors promise loss-free electricity, but most only work at extreme cold. Hydrogen-rich materials changed that—yet their inner workings remained hidden because they only exist ...